flow_export_info.cc

#include <vrouter/flow_stats/flow_stats_collector.h>
#include <pkt/flow_table.h>

FlowExportInfo::FlowExportInfo() :
    flow_(), setup_time_(0), teardown_time_(0), last_modified_time_(0),
    bytes_(0), packets_(0), underlay_source_port_(0), changed_(false),
    tcp_flags_(0), delete_enqueue_time_(0), evict_enqueue_time_(0),
    exported_atleast_once_(false), gen_id_(0),
    flow_handle_(FlowEntry::kInvalidFlowHandle),
    rev_flow_egress_uuid_(nil_uuid()) {
}

FlowExportInfo::FlowExportInfo(const FlowEntryPtr &fe) :
    flow_(fe), setup_time_(0), teardown_time_(0), last_modified_time_(0),
    bytes_(0), packets_(0), underlay_source_port_(0), changed_(true),
    tcp_flags_(0), delete_enqueue_time_(0), evict_enqueue_time_(0),
    exported_atleast_once_(false), gen_id_(0),
    flow_handle_(FlowEntry::kInvalidFlowHandle),
    rev_flow_egress_uuid_(nil_uuid()) {
}

FlowExportInfo::FlowExportInfo(const FlowEntryPtr &fe, uint64_t setup_time) :
    flow_(fe), setup_time_(setup_time),
    teardown_time_(0), last_modified_time_(setup_time),
    bytes_(0), packets_(0), underlay_source_port_(0), changed_(true),
    tcp_flags_(0), delete_enqueue_time_(0), evict_enqueue_time_(0),
    exported_atleast_once_(false), gen_id_(0),
    flow_handle_(FlowEntry::kInvalidFlowHandle),
    rev_flow_egress_uuid_(nil_uuid()) {
}

FlowEntry* FlowExportInfo::reverse_flow() const {
    FlowEntry *rflow = NULL;
    if (flow_.get()) {
        rflow = flow_->reverse_flow_entry();
    }
    return rflow;
}

bool FlowExportInfo::IsActionLog() const {
    uint32_t fe_action = flow_->data().match_p.action_info.action;
    if (fe_action & (1 << TrafficAction::LOG)) {
        return true;
    }
    return false;
}

void FlowExportInfo::CopyFlowInfo(FlowEntry *fe) {
    gen_id_ = fe->gen_id();
    flow_handle_ = fe->flow_handle();
    uuid_ = fe->uuid();
    flags_ = fe->flags();
    FlowEntry *rflow = reverse_flow();
    if (rflow) {
        rev_flow_egress_uuid_ = rflow->egress_uuid();
    }
}

void FlowExportInfo::ResetStats() {
    bytes_ = packets_ = 0;
    tcp_flags_ = 0;
    underlay_source_port_ = 0;
}
///////////////////////////////////////////////////////////////////
// APIs used only by UT
//////////////////////////////////////////////////////////////////
void FlowExportInfo::SetActionLog() {
    FlowEntry *fe = flow();
    fe->data().match_p.action_info.action =
        fe->data().match_p.action_info.action | (1 << TrafficAction::LOG);
}